# Problem connection between ode red and plc S7 1200

**URL:** <https://discourse.nodered.org/t/problem-connection-between-ode-red-and-plc-s7-1200/64015>\
**Category:** Industrial\
**Created:** [16 June 2022 12:01 UTC](https://discourse.nodered.org/t/problem-connection-between-ode-red-and-plc-s7-1200/64015 "2022-06-16T12:01:41Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ayoub\_23](https://avatars.discourse-cdn.com/v4/letter/a/5daacb/32.png) [@ayoub\_23](https://discourse.nodered.org/u/ayoub_23)\
**Post date:** [16 June 2022 12:01 UTC](https://discourse.nodered.org/t/problem-connection-between-ode-red-and-plc-s7-1200/64015/1 "2022-06-16T12:01:41Z")

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hello ,  
please i have this problem , someone can help me please?

 ![sc](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/f/1/f1ef472f8bc0836965c0520f5071ac0ab2d62cc6.png)

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**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [16 June 2022 12:05 UTC](https://discourse.nodered.org/t/problem-connection-between-ode-red-and-plc-s7-1200/64015/2 "2022-06-16T12:05:36Z")

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Removing uibuilder tag as this is not related.

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [16 June 2022 18:51 UTC](https://discourse.nodered.org/t/problem-connection-between-ode-red-and-plc-s7-1200/64015/3 "2022-06-16T18:51:23Z")

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If the PLC IP definitely 192.168.0.1? (thats normally a home router address or local DNS)

Can the computer where node-red is running ping 192.168.0.1?

What OS is node-red running on? As port 102 might be restricted

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [15 August 2022 18:52 UTC](https://discourse.nodered.org/t/problem-connection-between-ode-red-and-plc-s7-1200/64015/4 "2022-08-15T18:52:12Z")

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